Revolutionizing the way you can use portable power.
Protonex is opening up a world of new energy by revolutionizing the way you can use portable power. Tap into tomorrow's power today and find the product that best suits your changing portable power needs. Protonex power solutions offer numerous advantages over batteries and generators
Announced Date | Round | Money Raised | Number of Investors | Lead Investors | Post Valuation | |
---|---|---|---|---|---|---|
Jun 7, 2005 | Series C | $11M | 1 | — | — | Detail |
Apr 4, 2005 | Series B | $9M | 2 | Commons Capital | — | Detail |
Mar 17, 2004 | Series A | — | 1 | — | — | Detail |
Investor Name | Lead Investor | Funding Round |
---|---|---|
Commons Capital | Yes | Series B |
Silicon Alley Seed Investors | — | Series C |
Massachusetts Green Energy Fund | — | Series B |